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    measure your teensy 3.x cpu and ram usage!

    Thx, for your reply. I opened a new thread https://forum.pjrc.com/threads/72856-Performance-Issues-on-Teensy-4-1
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    Performance Issues on Teensy 4.1

    Hi, I'm using a Teensy 4.1 with audio shield in combination with ESP32 to build a speaker with bluetooth capability, responsive LED Stripes, RFID tag reader, RF24-Module and a ILI9341 display. Teensy and ESP32 uses Serial to talk to each other, which seems to work fine. Bluetooth data is...
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    measure your teensy 3.x cpu and ram usage!

    Hi, I have some problems with my programm and it looks like cpu is at 100%. In order to fix it i want to measure the actual load in the first place but i'm not sure how to do it for teensy 4.1. Any advices? Kind regards
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    FREE Menu Library for ILI9341 Displays

    Hi, thanks for your reply. I think touch and mechanical input may coexist. Not the library itself is blocking but the implementation of the menu handling (loop isn't called until menu exit)
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    FREE Menu Library for ILI9341 Displays

    Hi, and another questions. Do you have any ideas of building a non blocking version of your library? Kind regards
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    FREE Menu Library for ILI9341 Displays

    Hi, thx for your great library. Is there a version which allows rotary encoder and touch simultanousely? Kind regards
  7. S

    Teensy 4.1 Audio Board and ESP32 I2S Audio

    Hi, my speaker made fine music > 100 hours than i had some noices when using bluetooth from esp32. Line In from a different mixer worked still fine. After two hours the esp32 bluetooth stopped working. I know this is not the right forum but i have no idea where i may get help. A spare esp32...
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    Teensy 4.1 Audio Board and ESP32 I2S Audio

    Hi, I did some more testing. Example 4: Works fine for me Example 5: Works, but with a lot of distortion - not audiable at all Example 6: Works, but hangs if i pause playblack of bluetooth audio. I tried diffrent ways (command per I2C, command per phone, command per button on esp) to pause...
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    Teensy 4.1 Audio Board and ESP32 I2S Audio

    Hi, I'm using https://github.com/JayShoe/esp32_T4_bt_music_receiver to combine Teensy 4.1 with Audio Board and ESP32. ESP32 uses Pins 3-5 on Teensy 4.1 and everything works fine until Bluetooth Playback is paused. After a few seconds the ESP32 stops I2S audio data and a few seconds after that...
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    SPI2 Pins on Teensy 4.1?

    Awesome!! So it's not necessary to use pin44 (CS2) for SPI2 as u can configure it to pin 52 as well?
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    SPI2 Pins on Teensy 4.1?

    Hi, or is SPI2 only usable by SD Card Reader? Kind regards Franz
  12. S

    SPI2 Pins on Teensy 4.1?

    Hi, thanks for your reply. Acutally i already understood how to use SPI2 in software - question was more about the idea how to physically connect the pins? When i solder a wire to pins underneath the sd card slot i guess it will be blocked (but i need the sd card too) Kind regards Franz
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    SPI2 Pins on Teensy 4.1?

    Hi, I have a question for SPI2 too. I'm migrating a project from T3.6 to T4.1 and i need all three SPI Bus. On T4.1 i'm not sure how to use the pins for SPI2 under the SD card. I saw that i can change SCK2, MOSI2 and MISO2 but no other pin for CS2. Any advice how to use this pin? Kind...
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    Teens 4.1 with Audio Adapter and Bluetooth (ESP32)

    Hi, I’m currently using a teensy 3.5 with two audio boards in a diy Bluetooth speaker. Bluetooth is added by stand alone Bluetooth module. For the next project I want to upgrade to teensy 4.1 with audio board and add a esp32 as Bluetooth sink. In order to get a third pair of inputs I want to...
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    4 Channel Input/Output

    Hi, I build a bluetooth speaker where a Teensy with Audio-Board is actually used to transceive messages from a bluetooth module and mute depeneding on received message the audio output and/or input. Because the Audio-Input is a Wondom Bluetooth Module with 4V Outputs I have clipping problems...
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    Teensy 3.5 with RGB Matrix Panel and Audio Shield

    Hi, I like to set a project with a Teensy 3.5, two 64 x 32 RGB-Panels and the Teensy Audio Shield. We want to use the Display to play text and play a song over the audio shield in order to use it for karaoke. I achieved to use the displays as 64 x 64 and the audio shield for themselves. I...
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